The set O represents the minimum temperatures, in degrees Fahrenheit, recorded in the city of Orlando in a year.
O = {49, 50, 50, 55, 56, 60, 65, 65, 70, 71, 72, 72}
The set T represents the minimum temperatures, in degrees Fahrenheit, recorded in the city of Tampa in a year.
T = {52, 54, 55, 59, 59, 61, 62, 68, 68, 70, 74, 75}
How many elements are in the set O ∪ T?

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The set O represents the minimum temperatures, in degrees Fahrenheit, recorded in the city of Orlando in a year.
O = {49, 50, 50, 55, 56, 60, 65, 65, 70, 71, 72, 72}
The set T represents the minimum temperatures, in degrees Fahrenheit, recorded in the city of Tampa in a year.
T = {52, 54, 55, 59, 59, 61, 62, 68, 68, 70, 74, 75}
How many elements are in the set O ∪ T?

Mathematics

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Hero

5 years ago

Actually, let me double-check something

Hero

5 years ago

Yes, the union set should include numbers in both sets without repeating any numbers:
http://www.wolframalpha.com/input/?i=+%7B49%2C+50%2C+50%2C+55%2C+56%2C+60%2C+65%2C+65%2C+70%2C+71%2C+72%2C+72%7D+%E2%88%AA+%7B52%2C+54%2C+55%2C+59%2C+59%2C+61%2C+62%2C+68%2C+68%2C+70%2C+74%2C+75%7D+